Move and fix some snippets

Fix warnings:
While handling <snippet> in PySide2.QtQuick.QQuickImageProvider, line 20: Falling back to ".../qtdeclarative/examples/quick/imageprovider/imageprovider-example.qml" for "imageprovider/imageprovider-example.qml" [0]
While handling <snippet> in PySide2.QtQuick.QQuickImageProvider, line 23: Falling back to ".../qtdeclarative/examples/quick/imageprovider/imageprovider.cpp" for "imageprovider/imageprovider.cpp" [0]
While handling <snippet> in PySide2.QtQuick.QQuickImageProvider, line 25: Falling back to ".../qtdeclarative/examples/quick/imageprovider/imageprovider.cpp" for "imageprovider/imageprovider.cpp" [1]
While handling <snippet> in PySide2.QtXml.QXmlSimpleReader, line 6: Falling back to ".../qtbase/src/xml/doc/snippets/simpleparse/main.cpp" for "simpleparse/main.cpp" [0]
While handling <snippet> in PySide2.QtXml.QXmlSimpleReader, line 8: Falling back to ".../qtbase/src/xml/doc/snippets/simpleparse/main.cpp" for "simpleparse/main.cpp" [1]
While handling <snippet> in PySide2.QtXml.QXmlSimpleReader, line 11: Falling back to ".../qtbase/src/xml/doc/snippets/simpleparse/main.cpp" for "simpleparse/main.cpp" [2]
While handling <snippet> in PySide2.QtSvg.QSvgGenerator, line 5: Falling back to ".../qtsvg/examples/svg/svggenerator/window.cpp" for "svggenerator/window.cpp" [configure SVG generator]
While handling <snippet> in PySide2.QtSvg.QSvgGenerator, line 8: Falling back to ".../qtsvg/examples/svg/svggenerator/window.cpp" for "svggenerator/window.cpp" [begin painting]
While handling <snippet> in PySide2.QtSvg.QSvgGenerator, line 10: Falling back to ".../qtsvg/examples/svg/svggenerator/window.cpp" for "svggenerator/window.cpp" [end painting]
While handling <snippet> in PySide2.QtSvg.QGraphicsSvgItem, line 8: Falling back to ".../qtsvg/src/svg/doc/snippets/src_svg_qgraphicssvgitem.cpp" for "src_svg_qgraphicssvgitem.cpp" [0]

Task-number: PYSIDE-363
Change-Id: I32c73b2347e622e6594a017fde023d00bae864ec
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

5 files changed, 64 insertions, 3 deletions

diff --git a/sources/pyside2/doc/codesnippets/examples/declarative/cppextensions/imageprovider/imageprovider-example.qml b/sources/pyside2/doc/codesnippets/examples/imageprovider/imageprovider-example.qml
index ad51f2e7a..fc6063e40 100644
--- a/sources/pyside2/doc/codesnippets/examples/declarative/cppextensions/imageprovider/imageprovider-example.qml
+++ b/sources/pyside2/doc/codesnippets/examples/imageprovider/imageprovider-example.qml
@@ -48,7 +48,7 @@
 **
 ****************************************************************************/
 
-import QtQuick 1.0
+import QtQuick 2.0
 import "ImageProviderCore" // import the plugin that registers the color image provider
 
 //![0]
diff --git a/sources/pyside2/doc/codesnippets/examples/declarative/cppextensions/imageprovider/imageprovider.cpp b/sources/pyside2/doc/codesnippets/examples/imageprovider/imageprovider.cpp
index ffbe8f564..4d1aeb74f 100644
--- a/sources/pyside2/doc/codesnippets/examples/declarative/cppextensions/imageprovider/imageprovider.cpp
+++ b/sources/pyside2/doc/codesnippets/examples/imageprovider/imageprovider.cpp
@@ -49,9 +49,9 @@
 ****************************************************************************/
 
 //![0]
-class ColorImageProvider (QDeclarativeImageProvider):
+class ColorImageProvider (QQuickImageProvider):
     def __init__(self):
-        QDeclarativeImageProvider.__init__(self, QDeclarativeImageProvider.Pixmap)
+        QQuickImageProvider.__init__(self, QDeclarativeImageProvider.Pixmap)
 
     def requestPixmap(id, size, requestedSize):
         width = 100
diff --git a/sources/pyside2/doc/codesnippets/examples/quick/plugins/plugins.qml b/sources/pyside2/doc/codesnippets/examples/quick/plugins/plugins.qml
new file mode 100644
index 000000000..df2dcbd94
--- /dev/null
+++ b/sources/pyside2/doc/codesnippets/examples/quick/plugins/plugins.qml
@@ -0,0 +1,61 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the documentation of PySide2.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+renderer = QSvgRenderer(QLatin1String("SvgCardDeck.svg"))
+black = QGraphicsSvgItem()
+red   = QGraphicsSvgItem()
+
+black.setSharedRenderer(renderer)
+black.setElementId(QLatin1String("black_joker"))
+
+red.setSharedRenderer(renderer)
+red.setElementId(QLatin1String("red_joker"))
+//! [0]
diff --git a/sources/pyside2/doc/codesnippets/examples/sql/relationaltablemodel/relationaltablemodel.cpp b/sources/pyside2/doc/codesnippets/examples/relationaltablemodel/relationaltablemodel.cpp
index 8df1d73b2..8df1d73b2 100644
--- a/sources/pyside2/doc/codesnippets/examples/sql/relationaltablemodel/relationaltablemodel.cpp
+++ b/sources/pyside2/doc/codesnippets/examples/relationaltablemodel/relationaltablemodel.cpp
diff --git a/sources/pyside2/doc/codesnippets/examples/painting/svggenerator/window.cpp b/sources/pyside2/doc/codesnippets/examples/svggenerator/window.cpp
index 60c415949..60c415949 100644
--- a/sources/pyside2/doc/codesnippets/examples/painting/svggenerator/window.cpp
+++ b/sources/pyside2/doc/codesnippets/examples/svggenerator/window.cpp